To test or not to test: Preliminary assessment of normality when comparing two independent samples
<p>Abstract</p> <p>Background</p> <p>Student’s two-sample <it>t </it> test is generally used for comparing the means of two independent samples, for example, two treatment arms. Under the null hypothesis, the <it>t </it> test assumes that the two...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2012-06-01
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| Series: | BMC Medical Research Methodology |
| Subjects: | |
| Online Access: | http://www.biomedcentral.com/1471-2288/12/81 |